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- Rill erosion processes and rill flow hydraulic parameters. 土壤溶質(zhì)運移參數估計圖解方法。
- Appling different rheological models would cause in great effect on calculation of drilling hydraulic parameters. 選用不同的流變模式對鉆井水力參數的計算影響很大。
- The mathematical model,the method for optimizing design,and the design princi-ple of hydraulic parameters are proposed to make head-flow curve flat. 流量曲線(xiàn)特點(diǎn)，提出了旋噴泵葉輪的優(yōu)化設計數學(xué)模型、葉輪優(yōu)化設計方法及水力參數的設計原則。
- The pollution straps of one-side mirror model and two-side mirror model were simulated and compared by using the hydraulic parameters of the Lishui River in Hunan Province. 根據湖南省澧水某段枯水期的水文參數 ,對一側鏡像模型和兩側鏡像模型的污染帶進(jìn)行了模擬 ,發(fā)現一側鏡像模型由于忽略了一個(gè)虛源而使河流中污染物的濃度分布產(chǎn)生較大的誤差 ,從而導致污染帶異常 ;
- Different combinations of PDC drilling bits( hydraulic parameters are comprehensively reflected by flow field energy transformation at oil well bottoms. PDC水力參數的不同綜合表現為井底流場(chǎng)能量的變化。
- The measurement error may occur due the soil sample for determining the hydraulic parameters is always not the same sample for determining the solute transport parameters. 目前由于實(shí)驗系統和研究方法的限制，在測定水力參數和溶質(zhì)運移參數時(shí)所采用的土壤樣本不一致，產(chǎn)生了樣本誤差。
- Accurate calculation of cyclic pressure dissipation is the basis of programming of bit hydraulics optimization. 循環(huán)壓耗的準確計算是鉆頭水力參數優(yōu)化程序設計的基礎。
- Based on the assumption of logarithmic velocity distribution within turbulent boundary layer and the aplication of energy equilibrium theory, formulas for Hydraulic parameters are obtained in this paper. 在紊流邊界層內，流速為對數分布假定的基礎上，本文利用水流能量平衡方程計算紊流邊界層沿流程發(fā)展的厚度從而推導出溢流面一些水流參數的計算公式。
- The paper presents a method used to calculate annulus and bit hydraulics in power law fluid. 給出一種求冪律流體環(huán)空循環(huán)壓耗及鉆頭水力參數的計算方法。
- The model indicates that three types of parameters affect the ADCP discharge measurement random uncertainty: ADCP system parameters, river hydraulic parameters and field operation parameters. 該模型表明，影響ADCP流量測驗隨機不確定度的參數可以分為三類(lèi)：即ADCP系統性能參數、河流水力參數、測驗作業(yè)參數。
- He bit off a large piece of the apple. 他咬下一大塊蘋(píng)果。
- She was a bit queer after her husband deserted her. 她遭丈夫遺棄後精神有點(diǎn)失常。
- The indeterminacy of hydraulic parameter of the pebble rapids on the upper reaches of the Yangtze River is one of the reasons of failure in rapids regulation. 摘要長(cháng)江上游卵石急灘經(jīng)過(guò)多次整治，仍然礙航，水力指標的不確定性是卵石急灘整治不成功的原因之一。
- Estimate of Hydraulic Parameters of Overland Flow 坡面流水力學(xué)參數的估算
- I reckon the girl is a little bit boyish. 這想這個(gè)女孩有點(diǎn)男孩子氣。
- One-parameter models of soil hydraulic parameters 土壤水力參數的單一參數模型
- Do you think Jack could bite in his secret want? 你以為杰克能忍住不說(shuō)出他藏在心里的欲望嗎？
- The seedling have shrivel up a bit in the hot sun. 在炎熱的太陽(yáng)光下，幼苗已有一點(diǎn)乾枯。
- L- 300 hydraulic parameters tester L-300液壓參數檢測儀
- The little cat gave me a playful bite. 小貓頑皮地輕輕咬了我一下。
